In the end, you can preview your data, export the PST file, and open it in any other application like Thunderbird, Mail Spring, Mail Bird, and so on. As it will list options to reset or repair MS Office, you can click on the "Repair" option. This will open a new wizard that you can follow to perform a quick or online repairing of the installed Office applications. The issue I got caught on relates to the required steps in Outlook to switch files. It is also important to have a look at some of the common accessibility issues encountered in Outlook and avoid this problem from happening again. Lastly, if you cannot access an OST file in Outlook, then you can try to export it to any other application instead.

Step 6: Repair the Corrupted Outlook Data File (PST)

I tried to manually access the OST file location and I could read the file just fine. Before you change any settings or troubleshoot further, use these steps to check your connectivity and settings, and try restarting Outlook and your computer. When you want to replicate a copy on the cloud, manually copy the PST in the OneDrive folder. This will result in one copy in the folder in OneDrive being used for backup purposes, and another copy in your Outlook client that can be kept open by Outlook.



Our Outlook Express file repair software is designed to help you repair your files and recover your data, so you don’t lose access to anything you need. One of the major reasons for the "Outlook data file cannot be FixTechGuide support for Office 365 accessed" error is corruption in the Outlook data file (PST). You can repair the corrupted PST file using the built-in Inbox Repair tool (also known as SCANPST) in Outlook. That is almost definitely the problem and it's very common unfortunately. You need to configure your OneDrive to not back up the directory where your Outlook data file resides.

• It even comes with features like auto-split to split large PST files and export the PST contents directly to Microsoft 365.
• Afterward, you can start the conversion process that would export all the data in a PST format without any complications.
• If your email server supports both IMAP and POP3, auto account setup will create an IMAP account by default.
• Creating new Outlook profile or rebooting the computer fixes the issue.
• To create a new Outlook Data File, go to Create an Outlook Data File.
• Whenever Outlook cannot access an OST file, I usually disable any firewall or get rid of unwanted plugins.
• In this way, you can access your data on Outlook or any other email provider easily.

Error 0x8004010F when you try to send or receive email in Outlook 2010 or Outlook 2013

In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. I’m sure that after reading this post, you would be able to resolve the Outlook data file cannot be accessed issue. Whenever Outlook cannot access an OST file, I usually disable any firewall or get rid of unwanted plugins. Besides that, if you also cannot access OST files in Outlook, then you can try to repair it or simply convert it to a PST format.

Fixing 'Outlook Data File Cannot Be Accessed' Error on PC

It is not possible for Outlook and OneDrive to both try to access the data file at the same time. By default, the Outlook data file resides in your local user's \"Documents\" folder. So you'll want to make sure OneDrive is not syncing that folder. By default, the Outlook data file resides in your local user's "Documents" folder.

How to fix Outlook Data File cannot be accessed on Windows 11?

This could happen if, for example, OneDrive backs up your Documents folder to the cloud and includes the Outlook Files folder where the file is located. During the syncing process, OneDrive locks the file, which prevents Outlook from accessing it, resulting in the "Outlook data file cannot be opened" error. This is a good solution if you think your data file might be corrupted. Another reason for the Outlook data file cannot be accessed issue can be related to a corrupt application. In this case, you can simply run a Windows troubleshooter to fix the installed Outlook application. When you restart Outlook, all the temporary files are removed and related processes and services are automatically cleared.



To make sure this is not the case, try opening Outlook and see if it found the data file. Timothy Burlee is a content writer for Secure Data connection status shows disconnected Recovery Services. He specializes in various topics in the data industry, including data recovery technology, storage devices, and digital forensics. Throughout his career, he has covered complex concepts and provided accessible solutions for users. Before joining Secure Data, he worked as a freelance technical writer.



After you've moved Office 365 sync problems and login fixes all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. Sometimes, data files get corrupted in a way that none of the methods above can help.



To do this, you can take the assistance of Stellar OST to PST converter. Now, in the Outlook Options window, just go to the "Manage" section, and select "COM Add-in" from the list. This will display a list of the installed add-ins, letting you uninstall any plugin from Outlook.